uv_resolver/lock/
map.rs

1use rustc_hash::FxHashMap;
2
3use crate::lock::{Package, PackageId};
4
5/// A map from package to values, indexed by [`PackageId`].
6#[derive(Debug, Clone)]
7pub struct PackageMap<T>(FxHashMap<PackageId, T>);
8
9impl<T> Default for PackageMap<T> {
10    fn default() -> Self {
11        Self(FxHashMap::default())
12    }
13}
14
15impl<T> PackageMap<T> {
16    /// Insert a value by [`PackageId`].
17    pub fn insert(&mut self, package: Package, value: T) -> Option<T> {
18        self.0.insert(package.id, value)
19    }
20
21    /// Get a value by [`PackageId`].
22    pub(crate) fn get(&self, package_id: &PackageId) -> Option<&T> {
23        self.0.get(package_id)
24    }
25}
26
27impl<T> FromIterator<(Package, T)> for PackageMap<T> {
28    fn from_iter<I: IntoIterator<Item = (Package, T)>>(iter: I) -> Self {
29        Self(
30            iter.into_iter()
31                .map(|(package, value)| (package.id, value))
32                .collect(),
33        )
34    }
35}
36
37impl<T> Extend<(Package, T)> for PackageMap<T> {
38    fn extend<I: IntoIterator<Item = (Package, T)>>(&mut self, iter: I) {
39        self.0
40            .extend(iter.into_iter().map(|(package, value)| (package.id, value)));
41    }
42}
uv_resolver/lock/map.rs

uv_resolver/lock/
map.rs
